Alert archive / Illinois / Flash Flood Warnings in 2016

Flash Flood Warning 25, NWS Quad Cities, IA

September 7, 2016Henderson County, Warren County, Illinois; Des Moines County, Iowa

NWS Quad Cities, IA issued this flash flood warning at Sep 7, 2016, 8:36 PM CDT for Henderson County, Warren County, Illinois; Des Moines County, Iowa. It was in force for 6 hr. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Sep 7, 2016, 8:36 PM CDT (01:36 UTC)
Expired
Sep 8, 2016, 2:30 AM CDT
In force
6 hr
Issued by
NWS Quad Cities, IA
Area
Storm-based polygon
Flood severity
None

Counties Des Moines County, IA, Henderson County, IL, Warren County, IL

The radar

The Quad Cities radar (KDVN), 102 km from the middle of the area, began a volume at 01:38 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Sep 7, 8:40 PM CDTFLASH FLOODBurlington, IABURLINGTON HAWK EYE SPORTS EDITOR TWITTER REPORT RELAYING SCANNER TRAFFIC OF 4 PEOPLE IN A CAR STUCK IN FLOOD WATERS. ALSO FLOODING NEAR THE BURLINGTON POLICE DEPARTMENT.
Sep 7, 9:00 PM CDTHEAVY RAIN 2.69Burlington Regional Air, IAOFFICIAL RAINFALL TOTAL SO FAR TODAY. 1.90 INCHES IN THE PAST HOUR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 1.6 hours before the alert went out and 105 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Davenport, at 00:00Z on 2016-09-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 378 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 00:00Z on 2016-09-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 161 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
378 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
762 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
161 m²/s²
0-3 km storm-relative helicity
190 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.4

Open this sounding in Storm Lab

The text

As transmitted.

005 
WGUS53 KDVN 080136
FFWDVN
ILC071-187-IAC057-080730-
/O.NEW.KDVN.FF.W.0025.160908T0136Z-160908T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA/IL
836 PM CDT WED SEP 7 2016

THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WARREN COUNTY IN WEST CENTRAL ILLINOIS...
  HENDERSON COUNTY IN WEST CENTRAL ILLINOIS...
  SOUTHEASTERN DES MOINES COUNTY IN SOUTHEASTERN IOWA...

* UNTIL 230 AM CDT

* AT 835 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS WITH HEAVY
  RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE ALREADY
  FALLEN IN THE BURLINGTON AREA. FLASH FLOODING IS ALREADY
  OCCURRING.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  BURLINGTON...MONMOUTH...OQUAWKA...WEST BURLINGTON...ROSEVILLE...
  DALLAS CITY...STRONGHURST...KIRKWOOD...CARMAN...BIGGSVILLE...
  GLADSTONE...ROZETTA...TERRE HAUTE...RARITAN...GULF PORT...
  LITTLE SWAN LAKE...GREENBUSH...COLDBROOK...LOMAX AND BERWICK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

&&

LAT...LON 4067 9112 4070 9111 4072 9116 4071 9118
      4096 9116 4103 9044 4065 9045 4064 9118

$$

SHEETS
3 follow-up statements
956 
WGUS73 KDVN 080205
FFSDVN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA/IL
905 PM CDT WED SEP 7 2016

ILC071-187-IAC057-080730-
/O.CON.KDVN.FF.W.0025.000000T0000Z-160908T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WARREN IL-HENDERSON IL-DES MOINES IA-
905 PM CDT WED SEP 7 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 230 AM CDT FOR
WARREN...HENDERSON AND SOUTHEASTERN DES MOINES COUNTIES...

AT 901 PM CDT...MEDIA REPORTED FLASH FLOODING IN THE CITY OF
BURLINGTON WITH STREETS BEING BLOCKED OFF DUE TO STREET FLOODING.
OVER 4 INCHES OF RAIN HAS FALLEN IN BURLINGTON TODAY WITH MUCH OF
THAT OCCURRING IN THE PAST 2 HOURS. STORMS WITH VERY HEAVY RAIN
CONTINUED ALONG THE HIGHWAY 34 CORRIDOR FROM JUST EAST OF
BURLINGTON THROUGH MONMOUTH.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
BURLINGTON...MONMOUTH...OQUAWKA...WEST BURLINGTON...ROSEVILLE...
DALLAS CITY...STRONGHURST...KIRKWOOD...CARMAN...BIGGSVILLE...
GLADSTONE...ROZETTA...TERRE HAUTE...RARITAN...GULF PORT...
LITTLE SWAN LAKE...GREENBUSH...COLDBROOK...LOMAX AND BERWICK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND
UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

&&

LAT...LON 4067 9112 4070 9111 4072 9116 4071 9118
      4096 9116 4103 9044 4065 9045 4064 9118

$$

SHEETS
628 
WGUS73 KDVN 080400
FFSDVN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA/IL
1100 PM CDT WED SEP 7 2016

ILC071-187-IAC057-080730-
/O.CON.KDVN.FF.W.0025.000000T0000Z-160908T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WARREN IL-HENDERSON IL-DES MOINES IA-
1100 PM CDT WED SEP 7 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 230 AM CDT FOR
WARREN...HENDERSON AND SOUTHEASTERN DES MOINES COUNTIES...

AT 1047 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS WITH HEAVY
RAIN HAVE MOVED EAST OUT OF THE WARNED AREA. RADAR ESTIMATES AND
SPOTTER REPORTS SHOWED WIDESPREAD RAINFALL OF 2 TO 4 INCHES HAS
FALLEN FROM THE BURLINGTON AREA EAST ACROSS PORTIONS OF HENDERSON
AND WARREN COUNTIES. THIS HAS RESULTED IN STREET FLOODING IN THE
BURLINGTON AREA.  RUNOFF FROM THE HEAVY RAIN AND ADDITIONAL STORMS
OVERNIGHT WILL CONTINUE TO CAUSE FLOODING IN URBAN AREAS AND ALONG
SMALL STREAMS AND DITCHES IN RURAL AREAS. 

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
BURLINGTON...MONMOUTH...OQUAWKA...WEST BURLINGTON...ROSEVILLE...
DALLAS CITY...STRONGHURST...KIRKWOOD...CARMAN...BIGGSVILLE...
GLADSTONE...ROZETTA...TERRE HAUTE...RARITAN...GULF PORT...
LITTLE SWAN LAKE...GREENBUSH...COLDBROOK...LOMAX AND BERWICK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST
FLOOD DEATHS OCCUR IN VEHICLES. 

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

&&

LAT...LON 4067 9112 4070 9111 4072 9116 4071 9118
      4096 9116 4103 9044 4065 9045 4064 9118

$$

SHEETS
560 
WGUS73 KDVN 080727
FFSDVN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA/IL
227 AM CDT THU SEP 8 2016

IAC057-ILC071-187-080736-
/O.EXP.KDVN.FF.W.0025.000000T0000Z-160908T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WARREN IL-HENDERSON IL-DES MOINES IA-
227 AM CDT THU SEP 8 2016

...THE FLASH FLOOD WARNING FOR WARREN...HENDERSON AND SOUTHEASTERN
DES MOINES COUNTIES WILL EXPIRE AT 230 AM CDT...

THE HEAVY RAIN HAS ENDED. FLOODING IS NO LONGER EXPECTED TO POSE A
THREAT. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.
SCATTERED THUNDERSTORMS ARE POSSIBLE DURING THE OVERNIGHT
HOURS...BUT THE THREAT FOR ADDITIONAL FLASH FLOODING IS LOW.

LAT...LON 4067 9112 4070 9111 4072 9116 4071 9118
      4096 9116 4103 9044 4065 9045 4064 9118

$$

RP KINNEY

The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 7, 7:15 PM CDTSpecial Weather StatementDVNHancock, Henderson, McDonough, Mercer, Warren60 min
Sep 7, 7:56 PM CDTSevere Thunderstorm WarningDVNHenderson28 min
Sep 7, 8:01 PM CDTTornado WarningDVNHenderson29 min
Sep 8, 1:25 AM CDTSpecial Weather StatementDVNWhiteside50 min
Sep 8, 2:20 AM CDTSpecial Weather StatementDVNCarroll, Whiteside55 min
Sep 8, 12:41 AM CDTSpecial Weather StatementDVNBenton, Cedar, Iowa, Johnson, Jones, Linn64 min
Sep 8, 1:34 AM CDTFlash Flood WarningDVNLinn4 hr
Sep 8, 1:53 AM CDTSpecial Weather StatementDVNCedar, Johnson22 min
Sep 8, 6:33 AM CDTRiver Flood WarningDVNClinton, Scott68 hr

Nearby

Flash Flood Warnings in Illinois, 2016Flash Flood Warnings in Iowa, 2016Every flash flood warning in 2016

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.